Publication: Androgenic control of the cyclic AMP-dependent protein kinase isoenzymes of the rat epididymis
Issued Date
1983-01-01
Resource Type
ISSN
00224251
Other identifier(s)
2-s2.0-0020580180
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Mahidol University
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SCOPUS
Bibliographic Citation
Journal of Reproduction and Fertility. Vol.68, No.2 (1983), 401-405
Suggested Citation
S. Mongkolsirikieat, M. Chulavatnatol Androgenic control of the cyclic AMP-dependent protein kinase isoenzymes of the rat epididymis. Journal of Reproduction and Fertility. Vol.68, No.2 (1983), 401-405. doi:10.1530/jrf.0.0680401 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/30454
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Title
Androgenic control of the cyclic AMP-dependent protein kinase isoenzymes of the rat epididymis
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Abstract
The specific activity of the type I and type II isoenzyme forms of the cAMP-dependent protein kinase (EC 2.7.1.37) in the caput epididymidis of the intact rat was less than that of the caudal region while the isoenzyme ratio (type II:type I) of the former was greater than that of the latter, with type II being the predominant form in both regions. By 7 days after castration, the specific activities in both regions had decreased to the same level. The isoenzyme ratio of the caudal region increased to that of the caput region which remained unchanged after castration. The change in the isoenzyme ratio in the caudal region was mainly due to loss of the type I isoenzyme. The castration effects were reversed by testosterone administration.
